Home / 154,258.94-231,346.88-54,406.17

Finding the Fourth Proportional to 154,258.94, 231,346.88 and 54,406.17

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Solution

The fourth proportional to 154,258.94, 231,346.88 and 54,406.17 is: 81,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,258.94 : 231,346.88 = 54,406.17 : x
  2. Step 2: Convert to fraction form
    154,258.94/231,346.88 = 54,406.17/x
  3. Step 3: Cross multiply
    154,258.94x = 231,346.88 × 54,406.17
  4. Step 4: Simplify right side
    154,258.94x = 12,586,697,682.25
  5. Step 5: Solve for x
    x = 12,586,697,682.25/154,258.94
  6. Step 6: Final answer
    x = 81,594.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.